OpenTechnical

OT-2026-000072572

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, vented before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000072572) never changes.

Identity and time

Publication numberOT-2026-000072572 · never reused
Internal UUID01a0ae92-89d8-79e1-bda0-18887d84bc16 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072572
StatusPUBLIC

Content hashes

Canonical text062f614dede2052ce142901b02c7e444c38763ea4101e037765f175000937550
Markdowncd7bbb03d738ae8f34046a7a38336ae24dbb696fcc7294896e119ff78f97019d
PDF
Publication page3173fca3b0fe33cdf4d93bd2e0475f1d5078b5e9492434bf9666c9b699bee2e7
Manifest4c5df043bee4ea07eace4d27df1c6767a8674b85a91ff90da653bb3214f31567

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signaturec/CLMAkWgPIhE5VjJ5JqIhtEVFAnON5rdbaiowjctGYgpkIPEAqvV0lMoD+yD7qQQciVbhnAhBMA3KLHLEDpBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:22:24.687168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072572
observed 3173fca3b0fe33cdf4d93bd2e0475f1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:24.670168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072572/manifest.json
observed 4c5df043bee4ea07eace4d27df1c6767...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:24.652736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072572/publication.md
observed cd7bbb03d738ae8f34046a7a38336ae2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:24.633489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072572/publication.txt
observed 062f614dede2052ce142901b02c7e444...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.